Martian Moons eXploration (MMX) Neutron and Gamma-Ray Spectrometer (NGRS) Library
Martian Moon Deimos viewed from MRO (Credit: NASA)
This website provides information about the Martian Moons eXplorer (MMX) Mission Neutron and Gamma-Ray Spectrometer (NGRS) solicitation.
This website will be updated regularly. Questions may be addressed to the NASA Program Scientist for MMX, Dr. Thomas S. Statler, at
thomas.s.statler@nasa.gov.
NASA Selects Instrument for Future International Mission to Martian Moons
NASA has announced the instrument selected as a result of the MMX Neutron and Gamma-Ray Spectrometer Investigation solicitation.
NASA Press Release 17-090, November 16, 2017.
MAJOR MILESTONES
PEA Release Date ...................................... March 21, 2017
Preproposal Teleconference/WebEx .............. April 17, 2017
Notice of Intent to Propose (required) Deadline .... April 28, 2017
Proposal Submittal Deadline ........................ June 20, 2017
CD-ROM Submittal Deadline ............................ June 23, 2017
Selection Announced (target) ....................... November 2017
MMX NGRS PEA NEWS

Martian Moon Phobos viewed from MRO (Credit: NASA)
April 17, 2017 ... The MMX NGRS PEA I of the SALMON-3 AO has been amended. The amended MMX NGRS PEA can be found in the
MMX NGRS NSPIRES Webpage.
April 12, 2017 ... The MMX NGRS PEA Preproposal Teleconference/WebEx info posted.
March 21, 2017 ... The MMX NGRS PEA of the SALMON-3 AO has been released.